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A251466
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Number of (n+1)X(7+1) 0..2 arrays with every 2X2 subblock summing to a prime and those sums nondecreasing in every row and column
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1
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50306, 373380, 2678350, 14306546, 75006354, 324243821, 1378354755, 5171467239, 19112759465, 64992838581, 218002148541, 691112888352, 2162935670566, 6516410789833, 19386252148251, 56253833823574, 161157974255043
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OFFSET
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1,1
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COMMENTS
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LINKS
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EXAMPLE
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Some solutions for n=1
..1..1..2..2..2..2..2..2....1..1..2..2..2..1..1..2....1..0..2..0..2..1..2..0
..2..1..1..0..1..0..1..2....2..1..1..0..1..1..2..2....2..0..1..2..1..1..1..2
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CROSSREFS
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KEYWORD
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nonn
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AUTHOR
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STATUS
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approved
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